653516641 has 8 divisors (see below), whose sum is σ = 682190784. Its totient is φ = 624864240.

The previous prime is 653516621. The next prime is 653516657. The reversal of 653516641 is 146615356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 653516641 - 2¹⁷ = 653385569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 653516641.

It is not an unprimeable number, because it can be changed into a prime (653516621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98470 + ... + 104896.

It is an arithmetic number, because the mean of its divisors is an integer number (85273848).

Almost surely, 2^653516641 is an apocalyptic number.

It is an amenable number.

653516641 is a deficient number, since it is larger than the sum of its proper divisors (28674143).

653516641 is a wasteful number, since it uses less digits than its factorization.

653516641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871.

The product of its digits is 64800, while the sum is 37.

The square root of 653516641 is about 25563.9715419964. The cubic root of 653516641 is about 867.7984770222.

The spelling of 653516641 in words is "six hundred fifty-three million, five hundred sixteen thousand, six hundred forty-one".